Aerial photo taken on Feb. 24, 2020 shows staff members registering passengers' information at a toll station on the Tongjiang-Harbin Expressway in Harbin, northeast China's Heilongjiang Province. All the toll stations on expressways in northeast China's Heilongjiang Province were opened on Monday, following the suspension of dozens of toll stations amid the epidemic to reduce personnel flow, according to the provincial transport department. (Xinhua/Wang Song)